Made from neoprene rubber. It provides and retains body heat with uniform compression, which helps improve blood circulation. The hinged patella knee brace provides ideal rehabilitation stability against lateral movement of the knee. Patellar circumference consists soft material which gives extra comfort to patella. The tubular donut support sewn in the brace helps reduce swelling & ease pain in the patella. Adjustable strapping allows for correction of patellar tilt, glide and rotation. The hinges provide stability and mobility. For measurements please consider the circumference of above knee joint area.